.form-control{
    display: inline;
    width: 200px;
    height: 20px;
    height: 25px;
  }
  .btn-primary{
    width: 80px;
    height: 25px;
    padding: 0;
  
  }
  .box{
      margin-top: 20px;
  }
  
  .alert{
      width: 850px;
      height: 40px;
      text-align: center;
      position: absolute;
      left: 25%;
      top: 20px;
      background: #ccc;
      display: none;
  }
  
  .active{
      display: block;
  }